{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "However , early on , when the toxic optic neuropathy is mild and partly reversible , the funduscopic findings are often subtle and easy to miss ."}
{"Chemical": [], "Disease": ["optic neuropathy"]}